From patchwork Mon Oct 31 18:02:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13026214 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0953AFA3741 for ; Mon, 31 Oct 2022 18:03:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hhaMaPGaUvDFdL/5ArH9ujTxaeZ2YK2EBo8Y7aooCC0=; b=SSLMdzMqKvsfj5 vDbfY9NKvAOKKv7ZCGurX5jvFD/p6Nz9oF+V8yyuN2nMkQnFetEzXy00eOmjxrf9R4bjaUrRNLiKF GN4+dKgTVoGyp0KI4rxSC0HNhWfMEABGsb8jhe2s38SmsNlFBuZo5qijWvzXBg1TtbkQuolCQLpmF FBeMCq0F4AIYc21U+RFTAzXXzm7rTItkn4/65AJVQOMGkLIbImWck0FxT40SfSPVGI5khJ5X/5N9x UPzZTO2cQjG9o8bgKWFoMcBoSkrXp7cHQUz58u0IOA+7uQtz9J7tlDXHTCA5sp/07pJKgYR9jhVMr QDinmoMSNvL3oFXqe0mQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opZ8c-00Daii-Fq; Mon, 31 Oct 2022 18:03:54 +0000 Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1opZ8Z-00Dahf-H3 for linux-phy@lists.infradead.org; Mon, 31 Oct 2022 18:03:53 +0000 Received: by mail-pj1-x102d.google.com with SMTP id m14-20020a17090a3f8e00b00212dab39bcdso16693965pjc.0 for ; Mon, 31 Oct 2022 11:03:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Bgs3s1G1jssoUlSih9AtMddjkl0seI8sJyhiWnXePTs=; b=RiMBlIfBxKxj/vF3QFlsYOxRi2XIPOj3IMWWD9vv2naL21WUp4sKZ3OztkVTwLLCr/ QPNdn7tlw4ZYdM4zQ3+HyQUm0LthXMLietdOGhgiRCktIWfWFN5/kkeewGNCMSqDt7tz 60bJcLOsbHR6Hr4YzspMCFETPIF5+BQqGjGgVz5mfIxv4T2zobZmTixyMmJDkJXAxVng 8rreuhH+ONHBFHt83roOzU9NAaBJgpkHFCLJDR1Wa2OusEgTDduDXnhL6GQlm92Xwybu ioNCunM/pOvrD0cZntcmURaYPTMZasNitoJsNGsdCJ6blXxY8sBd/7/JqB+cY02+e1e4 Onvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Bgs3s1G1jssoUlSih9AtMddjkl0seI8sJyhiWnXePTs=; b=GCBUZ/gnbtcjVn9UQqQSYVZbJe8Kq6ZCo+SNekRMrAbmt9YRxIQJOo9HhMUaUFPdQa 4sprj5VrPtYdZSZf1j4a4qxDmSNzmMDfuTKJR+WpZEFCSmRGNI6H2LTEH7ZECwGQVhXr WC7S7Syo/2ipb4jzDUmwIiOV9ojgty5Msinc8rb3byJQ9eIWX1GFcJi/5/1GkymmCOKR 3ePg8Uht5GR7mfvQGUgvgBBPxWo3Ute1pwARzxGbZsoD3YqkSIq1XPPUUc0d2Lzcw8cB SlYm4WT2oUQkCQX8CsnCvb1SsAH4GzjT9MHzuFXIAcB0wl6tiwF/YuRnQp8G+ZEzyIic 3V1Q== X-Gm-Message-State: ACrzQf1FcsGwFXXzAiye6I4DH+tHM1RbJUttJ7jdFQV1Kpx8jKOdaGG2 UZJj49JLzlaCLMjLQBPAMXs4VZ4rRRLO X-Google-Smtp-Source: AMsMyM495tr25vJwGEz9GOee1VIPewD2W376fjW8553Y2MxpPs1TKs+xC9JTbyDrYeD0c1kFS3ZDwQ== X-Received: by 2002:a17:90a:72cb:b0:213:fbf0:f5f1 with SMTP id l11-20020a17090a72cb00b00213fbf0f5f1mr2657622pjk.107.1667239430062; Mon, 31 Oct 2022 11:03:50 -0700 (PDT) Received: from localhost.localdomain ([117.193.209.221]) by smtp.gmail.com with ESMTPSA id q14-20020a170902a3ce00b00186c6d2e7e3sm4742224plb.26.2022.10.31.11.03.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Oct 2022 11:03:48 -0700 (PDT) From: Manivannan Sadhasivam To: martin.petersen@oracle.com, jejb@linux.ibm.com, andersson@kernel.org, vkoul@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: konrad.dybcio@somainline.org, robh+dt@kernel.org, quic_cang@quicinc.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-scsi@vger.kernel.org, dmitry.baryshkov@linaro.org, ahalaney@redhat.com, Manivannan Sadhasivam Subject: [PATCH v2 10/15] scsi: ufs: ufs-qcom: Use bitfields where appropriate Date: Mon, 31 Oct 2022 23:32:12 +0530 Message-Id: <20221031180217.32512-11-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221031180217.32512-1-manivannan.sadhasivam@linaro.org> References: <20221031180217.32512-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221031_110351_585142_9C23D4E0 X-CRM114-Status: GOOD ( 11.25 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Use bitfield macros where appropriate to simplify the driver. Reviewed-by: Dmitry Baryshkov Signed-off-by: Manivannan Sadhasivam --- drivers/ufs/host/ufs-qcom.h | 61 +++++++++++++++++-------------------- 1 file changed, 28 insertions(+), 33 deletions(-) diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index 44466a395bb5..9d96ac71b27f 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -17,12 +17,9 @@ #define DEFAULT_CLK_RATE_HZ 1000000 #define BUS_VECTOR_NAME_LEN 32 -#define UFS_HW_VER_MAJOR_SHFT (28) -#define UFS_HW_VER_MAJOR_MASK (0x000F << UFS_HW_VER_MAJOR_SHFT) -#define UFS_HW_VER_MINOR_SHFT (16) -#define UFS_HW_VER_MINOR_MASK (0x0FFF << UFS_HW_VER_MINOR_SHFT) -#define UFS_HW_VER_STEP_SHFT (0) -#define UFS_HW_VER_STEP_MASK (0xFFFF << UFS_HW_VER_STEP_SHFT) +#define UFS_HW_VER_MAJOR_MASK GENMASK(31, 28) +#define UFS_HW_VER_MINOR_MASK GENMASK(27, 16) +#define UFS_HW_VER_STEP_MASK GENMASK(15, 0) /* vendor specific pre-defined parameters */ #define SLOW 1 @@ -76,24 +73,28 @@ enum { #define UFS_CNTLR_3_x_x_VEN_REGS_OFFSET(x) (0x400 + x) /* bit definitions for REG_UFS_CFG1 register */ -#define QUNIPRO_SEL 0x1 -#define UTP_DBG_RAMS_EN 0x20000 +#define QUNIPRO_SEL BIT(0) +#define UFS_PHY_SOFT_RESET BIT(1) +#define UTP_DBG_RAMS_EN BIT(17) #define TEST_BUS_EN BIT(18) #define TEST_BUS_SEL GENMASK(22, 19) #define UFS_REG_TEST_BUS_EN BIT(30) +#define UFS_PHY_RESET_ENABLE 1 +#define UFS_PHY_RESET_DISABLE 0 + /* bit definitions for REG_UFS_CFG2 register */ -#define UAWM_HW_CGC_EN (1 << 0) -#define UARM_HW_CGC_EN (1 << 1) -#define TXUC_HW_CGC_EN (1 << 2) -#define RXUC_HW_CGC_EN (1 << 3) -#define DFC_HW_CGC_EN (1 << 4) -#define TRLUT_HW_CGC_EN (1 << 5) -#define TMRLUT_HW_CGC_EN (1 << 6) -#define OCSC_HW_CGC_EN (1 << 7) +#define UAWM_HW_CGC_EN BIT(0) +#define UARM_HW_CGC_EN BIT(1) +#define TXUC_HW_CGC_EN BIT(2) +#define RXUC_HW_CGC_EN BIT(3) +#define DFC_HW_CGC_EN BIT(4) +#define TRLUT_HW_CGC_EN BIT(5) +#define TMRLUT_HW_CGC_EN BIT(6) +#define OCSC_HW_CGC_EN BIT(7) /* bit definition for UFS_UFS_TEST_BUS_CTRL_n */ -#define TEST_BUS_SUB_SEL_MASK 0x1F /* All XXX_SEL fields are 5 bits wide */ +#define TEST_BUS_SUB_SEL_MASK GENMASK(4, 0) /* All XXX_SEL fields are 5 bits wide */ #define REG_UFS_CFG2_CGC_EN_ALL (UAWM_HW_CGC_EN | UARM_HW_CGC_EN |\ TXUC_HW_CGC_EN | RXUC_HW_CGC_EN |\ @@ -101,17 +102,11 @@ enum { TMRLUT_HW_CGC_EN | OCSC_HW_CGC_EN) /* bit offset */ -enum { - OFFSET_UFS_PHY_SOFT_RESET = 1, - OFFSET_CLK_NS_REG = 10, -}; +#define OFFSET_CLK_NS_REG 0xa /* bit masks */ -enum { - MASK_UFS_PHY_SOFT_RESET = 0x2, - MASK_TX_SYMBOL_CLK_1US_REG = 0x3FF, - MASK_CLK_NS_REG = 0xFFFC00, -}; +#define MASK_TX_SYMBOL_CLK_1US_REG GENMASK(9, 0) +#define MASK_CLK_NS_REG GENMASK(23, 10) /* QCOM UFS debug print bit mask */ #define UFS_QCOM_DBG_PRINT_REGS_EN BIT(0) @@ -135,15 +130,15 @@ ufs_qcom_get_controller_revision(struct ufs_hba *hba, { u32 ver = ufshcd_readl(hba, REG_UFS_HW_VERSION); - *major = (ver & UFS_HW_VER_MAJOR_MASK) >> UFS_HW_VER_MAJOR_SHFT; - *minor = (ver & UFS_HW_VER_MINOR_MASK) >> UFS_HW_VER_MINOR_SHFT; - *step = (ver & UFS_HW_VER_STEP_MASK) >> UFS_HW_VER_STEP_SHFT; + *major = FIELD_GET(UFS_HW_VER_MAJOR_MASK, ver); + *minor = FIELD_GET(UFS_HW_VER_MINOR_MASK, ver); + *step = FIELD_GET(UFS_HW_VER_STEP_MASK, ver); }; static inline void ufs_qcom_assert_reset(struct ufs_hba *hba) { - ufshcd_rmwl(hba, MASK_UFS_PHY_SOFT_RESET, - 1 << OFFSET_UFS_PHY_SOFT_RESET, REG_UFS_CFG1); + ufshcd_rmwl(hba, UFS_PHY_SOFT_RESET, FIELD_PREP(UFS_PHY_SOFT_RESET, UFS_PHY_RESET_ENABLE), + REG_UFS_CFG1); /* * Make sure assertion of ufs phy reset is written to @@ -154,8 +149,8 @@ static inline void ufs_qcom_assert_reset(struct ufs_hba *hba) static inline void ufs_qcom_deassert_reset(struct ufs_hba *hba) { - ufshcd_rmwl(hba, MASK_UFS_PHY_SOFT_RESET, - 0 << OFFSET_UFS_PHY_SOFT_RESET, REG_UFS_CFG1); + ufshcd_rmwl(hba, UFS_PHY_SOFT_RESET, FIELD_PREP(UFS_PHY_SOFT_RESET, UFS_PHY_RESET_DISABLE), + REG_UFS_CFG1); /* * Make sure de-assertion of ufs phy reset is written to